Explore · The library

Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. Video · How Founders Use AI The New Way To Build A Startup Y Combinator
  2. Lemkin actually ran the experiment of replacing bought tooling and people with AI, and reports the messy truth. open.spotify.com Podcast · How Founders Use AI We replaced our sales team with 20 AI agents | Jason Lemkin Lenny's Podcast
  3. Reported cases, including a 55-person firm saving ~$100k/yr by replacing Salesforce with a Claude-built app. tipranks.com Article · How Founders Use AI Small companies using Claude to quit Salesforce, The Information says TipRanks / The Information
  4. Concrete internal-ops use cases (approvals, onboarding, purchase orders) you can steal this week. forbes.com Article · How Founders Use AI 5 Vibe Coding Use Cases Every Company Can Start Using Today Bernard Marr (Forbes)
  5. Legal, marketing, and finance teams building their own tools instead of filing tickets; proof it works beyond engineers. claude.com Guide · How Founders Use AI How Anthropic teams use Claude Code Anthropic
  6. Sober, named case studies of AI-built software inside real organisations, not demo-ware. itrevolution.com Article · How Founders Use AI Four Case Studies in Vibe Coding IT Revolution
  7. Why the build-vs-buy answer is 'more software everywhere', with the nuance most hot takes miss. a16z.com Article · How Founders Use AI Death of Software. Nah. a16z
  8. The investor-grade argument for why bespoke tools now compete with application SaaS on cost. a16z.news Article · How Founders Use AI Good news: AI Will Eat Application Software a16z
  9. Video · How Founders Use AI If I wanted to build $1M+ AI startup in 2025, I'd do this Greg Isenberg
  10. A non-developer's honest build log of a production CRM that replaced Salesforce and HubSpot for his business. hackernoon.com Article · How Founders Use AI How I Built a 90-route CRM with Claude Code and No Dev Background Julian (HackerNoon)
  11. A personal AI CRM built in 20 minutes for $20/month, with the exact setup shared. growthunhinged.com Article · How Founders Use AI Everyone can have their own AI CRM Kyle Poyar (Growth Unhinged)
  12. Video · How Founders Use AI Building a CRM From Scratch With Claude Code (Start to Finish) Brendan Jowett
  13. Video · How Founders Use AI Your CRM Sucks, Build One With Claude Code Brendan Jowett
  14. Shows the step most tutorials skip: wiring your AI-built CRM to real accounting data. devblog.xero.com Guide · How Founders Use AI Build a CRM with Claude Code & Xero Regan Ashworth (Xero Developer)
  15. The canonical fast path to a CRUD admin panel on top of a real database. retool.com Guide · How Founders Use AI Supabase admin panel tutorial: build it in under 20 minutes Retool
  16. Video · How Founders Use AI How to build an admin panel for Supabase in 10 minutes Retool
  17. Video · How Founders Use AI How to create a Supabase Admin Dashboard UI Bakery
  18. Video · How Founders Use AI Build an admin panel for Supabase in 5 minutes (Airtable + Whalesync) Whalesync
  19. Point it at your schema and chat your way to a production-ready React admin, code included. refine.dev Guide · How Founders Use AI Create an admin panel with Supabase in 5 minutes with Refine AI Refine
  20. The no-code route to an admin surface with user permissions over live Postgres data. softr.io Tool · How Founders Use AI Build a custom Supabase admin dashboard in minutes Softr
  21. Describe the tracker you need and Omni generates tables, interfaces, and automations in one shot. airtable.com Tool · How Founders Use AI Airtable Omni: Your expert AI app builder Airtable
  22. Why the biggest internal-tools platform rebuilt itself around conversational app building. airtable.com Article · How Founders Use AI The AI-Native Airtable Has Arrived: A Letter from our CEO Howie Liu (Airtable)
  23. Video · How Founders Use AI Build a Custom App Interface in Minutes with Airtable's Omni AI Airtable
  24. The Chennai-built option: idea-to-app generation with OCR and prediction skills, priced for Indian teams. zoho.com Article · How Founders Use AI Zoho adds advanced AI capabilities to Zoho Creator (CoCreator) Zoho

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